| Presentation | 2006-10-13 Proposal of novel pulse-peak resonance CRD (cavity ring-down) method in case of using waveguide cavity gas-cell for compact breath-sensing system via infrared spectroscopy Yosuke Hirayama, Jun-ichi Imaya, Kiichi Hamamoto, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | We have researched on breath-sensing system by using infrared absorption spectroscopy with CRD (cavity ring-down) to develop compact health-checkup devices. In this article, we suggest novel pulse peak resonance (PPK)-CRD method. In case of using conventional CRD, it is not necessary to take in account propagation loss due to waveguide-loss-free space-cavity, however, it is relatively difficult in the integration with handy devices when using such that space-propagating gas-cell. For this reason, we consider to utilize waveguide-technology to overcome the above issue. One problem might be the propagation loss as waveguide was inaptitude for detecting breath-content with small fraction of ppm-order gas. To sidestep the degradation of sensitivity due to the propagation loss, we propose novel PPK-CRD which makes it possible to measure ppm-order's breath-content with waveguide type cavity having a certain propagation loss. As a result of simulation in case of using the PPK-CRD, sufficient improvement in the performance of detecting, which results in ppm-order measurement with only 1cm^2 integrated waveguide gas-cell when its loss is below 0.05dB/cm. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | optical waveguide / CRD / propagation Ioss / pulse-peak resonance / biosensor / breath-sensing |
| Paper # | OCS2006-50,OPE2006-103,LQE2006-92 |
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| Committee | LQE |
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| Conference Date | 2006/10/5(1days) |
| Place (in Japanese) | (See Japanese page) |
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| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Lasers and Quantum Electronics (LQE) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Proposal of novel pulse-peak resonance CRD (cavity ring-down) method in case of using waveguide cavity gas-cell for compact breath-sensing system via infrared spectroscopy |
| Sub Title (in English) | |
| Keyword(1) | optical waveguide |
| Keyword(2) | CRD |
| Keyword(3) | propagation Ioss |
| Keyword(4) | pulse-peak resonance |
| Keyword(5) | biosensor |
| Keyword(6) | breath-sensing |
| 1st Author's Name | Yosuke Hirayama |
| 1st Author's Affiliation | I-EggS (Interdisciplinary Graduate School of Engineering Sciences), Kyushu University() |
| 2nd Author's Name | Jun-ichi Imaya |
| 2nd Author's Affiliation | I-EggS (Interdisciplinary Graduate School of Engineering Sciences), Kyushu University |
| 3rd Author's Name | Kiichi Hamamoto |
| 3rd Author's Affiliation | I-EggS (Interdisciplinary Graduate School of Engineering Sciences), Kyushu University |
| Date | 2006-10-13 |
| Paper # | OCS2006-50,OPE2006-103,LQE2006-92 |
| Volume (vol) | vol.106 |
| Number (no) | 284 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |